See also:

Cleaning the display
► Before cleaning the display, make sure that it is switched off and has cooled down. ► Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display ...

Exhaust check
WARNING Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the engi ...

4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNI ...